Eastern Marsh-Harrier vs Eurasian Marsh-Harrier

Circus spilonotus compared with Circus aeruginosus

Key Differences

• Eastern Marsh-Harrier is Least Concern while Eurasian Marsh-Harrier is Endangered.

Taxonomic Classification

Rank	Eastern Marsh-Harrier	Eurasian Marsh-Harrier
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Accipitriformes (Hawks & Eagles)	Accipitriformes (Hawks & Eagles)
Family same	Accipitridae (Hawks & Eagles)	Accipitridae (Hawks & Eagles)
Genus same	Circus	Circus
Species	Circus spilonotus	Circus aeruginosus

Evolutionary Relationship

Eastern Marsh-Harrier and Eurasian Marsh-Harrier share a common ancestor at the Genus level: Circus.

Conservation Status

Eastern Marsh-Harrier

LC — Least Concern

Eurasian Marsh-Harrier

EN — Endangered

Physical Characteristics

Attribute	Eastern Marsh-Harrier	Eurasian Marsh-Harrier
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Eastern Marsh-Harrier

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Norway and Taiwan.

Eurasian Marsh-Harrier

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Asia (Taiwan) and Europe (6 countries). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Eurasian Marsh-Harrier

Eurasian Marsh-Harrier (Circus aeruginosus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇹🇼 Taiwan